Sound Devices 302 User Manual And Technical Infromation
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Sound Devices 302 User Manual And Technical Infromation

Sound Devices 302 User Manual And Technical Infromation

Compact production mixer
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302
Compact Production Mixer
User Guide and Technical Information
Sound Devices, LLC
300 Wengel Drive • Reedsburg, WI • USA
+1 (608) 524-0625 • fax: +1 (608) 524-0655
Toll-Free: (800) 505-0625
www.sounddevices.com
support@sounddevices.com

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Summary of Contents for Sound Devices 302

  • Page 1 Compact Production Mixer User Guide and Technical Information Sound Devices, LLC 300 Wengel Drive • Reedsburg, WI • USA +1 (608) 524-0625 • fax: +1 (608) 524-0655 Toll-Free: (800) 505-0625 www.sounddevices.com support@sounddevices.com...

  • Page 2: Table Of Contents

    The 302 is the essential portable mixer for production companies and camera operators wanting to take control of their audio. The 302 is stunning in size, fl exibility, control and performance; it is the most compact and cost-effective battery-powered professional audio mixer in its class.

  • Page 3: Quick Start Checklist

    302 User Guide and Technical Information Quick Start Checklist Proper setup of sound sources and input devices is quick and easy with the 302. Follow the steps outlined below for basic interconnection. Powering the Unit 1. Insert three AA-batteries with + side fi rst into the mixer battery tube.

  • Page 4: Front Panel Descriptions

    302 User Guide and Technical Information Front Panel Descriptions 1. Fader 8. Slate Mic/Tone Switch The primary control for input adjusting Two-position switch activates the slate level during operation. microphone in the left (momentary) position, or the tone oscillator in the 2.

  • Page 5: Input Panel Descriptions

    302 User Guide and Technical Information 14. Headphone Selector Switch 16. Headphone LED Sets the signal source sent to Indicates overload of the headphone headphones. Options include: input PFL circuit and RTN circuit. 1, 2, 3; left output bus; right output bus;...

  • Page 6: Output Panel Descriptions

    An input to the master bus designed circuitry. exclusively to link the Tape Out/ Mix Out of 302, 442, MixPre, or MP-2 to the 302 for additional inputs. Pin-1 = ground, pin-2 = left, pin-3 = right. Shell of TA3 connector must be grounded to pin-1 to open connection.

  • Page 7: Inputs

    The Mic/Line switch on the input panel is used to select the general level for each input. Taking into account all gain stages, the 302 has 75 dB of available gain from mic input to line output. When inputs are set to the LINE position, the input sensitivity is reduced by 40 dB.

  • Page 8: Phantom And T- Microphone Powering

    There is no voltage difference between the signal pins-2 and -3—a dynamic mic can operate just fi ne in the presence of phantom powering. When phantom is selected, the 302 can provide up to 10 mA to each input at 48 V, suffi cient for the most power-hungry condenser microphones. When acceptable, using 12 V phantom is recommended to extend battery runtime.

  • Page 9: Pan Switches

    fi ltering. Many microphones have on-board high pass fi lters, and the high-pass fi lters on the 302 can be used in conjunction with the microphone’s fi lters to increase the fi lter’s slope.

  • Page 10: Stereo Linking Of Inputs 1 And 2

    The 302’s MS matrix uses input 1 for the Mid signal and input 2 for the side signal. The input 2 Fader controls overall gain. Input 1 fader and both inputs 1 and 2 pan switches are disabled. The Gain and high-pass fi...

  • Page 11: Outputs

    By adjusting the attenuation level in the setup menu (see Setup Menu for adjustment) the output level of the 302 can be adjusted from line level down to mic level. Both left and right XLR outputs are adjusts at the same time—there is no ability to adjust left/right independently. Additionally, operating levels between mic and line level can be set.

  • Page 12: Tape Out (Mix Output)

    For most applications the limiters are a signifi cant benefi t and should be enabled. Headphone Monitoring The 302 has a fl exible headphone circuit capable of selecting a variety of audio signals for listening in headphones. Most professional headphones ranging in impedance from 8 ohms to 1000 ohms can be used with the 302.

  • Page 13: Hp Monitor Selection

    302 User Guide and Technical Information HP Monitor Selection Several signal sources can sent to the headphones. The front panel rotary switch selects the signal. HP Sources Description (PFL) 1 PFL solo monitoring of the channel one input signal. Channel is monitored in mono. Pre-fade, post limiter, post high-pass.

  • Page 14: Tone Oscillator/Slate Microphone

    Tone Oscillator Tone is used to set gain levels between the 302 and the next device in the signal path. The tone oscillator uses the locking position of the switch. This switch can be reassigned in the Setup Menu.

  • Page 15: The Meter

    VU information, its scale corresponds to VU units. Unlike other analog mixers, the 302 is calibrated with its 0 VU reference at 0 dBu, not +4 dBu. If you primarily interconnect with analog video cameras, you may want to change the 0 VU reference to +4 dBu by making the change in the Setup Menu.

  • Page 16: Ballistics Lock

    When linking with a 442 a system of seven microphone inputs is achieved. Generally when linking to a 442, the 442 is used as the master, linking with the 302’s Mix Out to the 442’s Mix In. At the 442 outputs, all seven inputs appear.

  • Page 17: Powering

    The 3-position power switch selects between internal batteries, external DC, or power off. Because of the power supply design of the 302, the unit takes approximately 10 seconds to fully stabilize its power supply after power-up. Additionally, there is suffi cient capacitance in the circuit to toggle between internal and external without disruption in audio.

  • Page 18: Power Consumption

    302 User Guide and Technical Information Power Consumption The 302 can vary in the amount of current it draws. Several functions of the 302 directly affect current draw in different ways. The following list highlights the larger current drawing functions (listed from highest to lowest current draw).

  • Page 19: Output Limiter Adjustment

    302 User Guide and Technical Information Setup Example The following steps show how to change the tone frequency from the factory default of 1 kHz to 100 1. Enter the setup menu by pressing and holding down the PK/VU button while powering the mixer.

  • Page 20: Advanced Gain Structure And Interconnection

    All level metering can be done via the 302’s meter. The recorder’s level meter can be ignored since the only way for the recorder to clip is for the 302 to clip. The 302’s meters match the recorder’s meters in that the clip points match. Because most recorder’s meter ballistics and scale are different, it is impossible to make the 302 meter exactly...

  • Page 21: Setup Menu (V 3.6)

    302 User Guide and Technical Information Setup Menu (v 3.6) Below is the chart of setups for the 302. See Setup Menu on page 15 for instructions on how to enter and navigate the setup menu. Factory default settings are displayed in bold.

  • Page 22: Specifi Cations

    302 User Guide and Technical Information Specifi cations Measurement settings (unless otherwise specifi ed): Gain controls for the channel being measured at mid point, all other channels gains fully down; pan switches centered; high-pass off; inputs in ‘mic’ position; outputs in ‘line’ position. Mic input driven with 150 ohm source. Outputs measured with 100k ohm load.

  • Page 23: Dimensions And Weight

    302 User Guide and Technical Information Outputs Line Output Clipping 20 dBu minimum Level (1% THD) 18 dBu minimum with 600 ohm load Output Noise –100 dBu (–102 dBV) maximum (22 Hz to 22 kHz bandwidth, flat filter, master gain fully up,...

  • Page 24: Accessories

    302 User Guide and Technical Information Accessories Several high-value accessories are available for the 302 mixer, including a carry-case, cables, and power accessories. For a full list of Sound Devices products and accessories, visit our web site www.sounddevices.com/products. CS-3 Production case with high-quality strap for use with 302, 7-Series recorders and MixPre;...

  • Page 25: Ce Declaration Of Conformity

    Sound Devices, LLC 300 Wengel Drive Reedsburg, WI 53959 USA declares that the product, 302 Production Field Mixer is in conformity with and passes: EN55103-1, 1997 EMC-product family standard for audio, video, audio- visual and entertainment lighting control apparatus for professional use.

  • Page 26: Warranty And Technical Support

    ONE (1) year from date of original retail purchase. This is a non- transferable warranty that extends only to the original purchaser. Sound Devices, LLC will repair or replace the product at its discretion at no charge. Warranty claims due to severe service conditions will be addressed on an individual basis.
  • Page 27 302 User Guide and Technical Information...
  • Page 28 302 fi rmware revision 3.6- Printed in U.S.A.

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